If you don't have the game client, you can download it from one of the mirrors below:
- Terrent Mirror 1
- Torrent Mirror 2
- Google Drive Mirror 1
- Google Drive Mirror 2
- Cloud Mail (RU)
L2 OvC Patch
Download L2 OvC patch from one of the mirrors below.
If you are running into any issue, read the FAQ before opening a support request.